Задать 5 вопросов к предложению : The UK is separated from the continent by the English channel and the Strait of Dover. (General, alternative, special, tag question)

Is the UK separated...(далее по тексту)?- general;Is the UK separated from the continent by the Straight of Dover or by the North Sea? - alternative;What is separated from the continent by the Straight of Dover? - special; From what is the UK separated by the English channel and the Straight of Dover? - special;The UK is separated from the continent by the English channel and the Straight of Dover, isn't it? -tag question.